Home / 752,114.72-1,037,912.08-412,576.80

Finding the Fourth Proportional to 752,114.72, 1,037,912.08 and 412,576.80

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Solution

The fourth proportional to 752,114.72, 1,037,912.08 and 412,576.80 is: 569,352.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,114.72 : 1,037,912.08 = 412,576.80 : x
  2. Step 2: Convert to fraction form
    752,114.72/1,037,912.08 = 412,576.80/x
  3. Step 3: Cross multiply
    752,114.72x = 1,037,912.08 × 412,576.80
  4. Step 4: Simplify right side
    752,114.72x = 428,218,444,647.74
  5. Step 5: Solve for x
    x = 428,218,444,647.74/752,114.72
  6. Step 6: Final answer
    x = 569,352.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.